Windmill



1. Windmill

1.1 is a front perspective view;

1.2 is a side perspective view;

1.3 is a side perspective view;

1.4 is a rear perspective view;

1.5 is a side perspective view; and

1.6 is a top perspective view.

The broken lines are shown for the purpose of illustrating subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a windmill, as shown and described. 